Date: Fri, 10 Feb 2017 15:36:25 +0000 From: Shawn Bakhtiar <shashaness@hotmail.com> To: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: Re: FreeBSD 10.2-RELEASE #0 r286666: Panic and crash Message-ID: <CY1PR14MB052064303AE3D894D417D866C4440@CY1PR14MB0520.namprd14.prod.outlook.com> In-Reply-To: <CY1PR14MB0520369956DADEE12E908812C4400@CY1PR14MB0520.namprd14.prod.outlook.com> References: <CY1PR14MB0520369956DADEE12E908812C4400@CY1PR14MB0520.namprd14.prod.outlook.com>
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Well.... It happened again today. I found a few instances on the web of others reporting similar issues, and also ran across this bug. https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211037 This is early similar to what is happening to me, save that in this case it's happening with a USB drive. Should I be attaching this there? I've disabled the local backup to the USB (just doing the remote one to the share drive). Any help would be greatly appreciated. On Feb 6, 2017, at 1:01 PM, Shaheen Bakhtiar <shashaness@hotmail.com<mailto:shashaness@hotmail.com>> wrote: Hi all! http://pastebin.com/niXrjF0D Please refer to full output from crash above. This morning our IMAP server decided to go belly up. I could not remote in, and the machine would not respond to any pings. Checking the physical console I had the following worrisome messages on screen: • g_vfs_done():da1p1[READ(offset=7265561772032, length=32768)]error = 5 • g_vfs_done():da1p1[WRITE(offset=7267957735424, length=131072)]error = 16 • /mnt/USBBD: got error 16 while accessing filesystem • panic: softdep_deallocate_dependencies: unrecovered I/O error • cpuid = 5 /mnt/USBDB is a MyBook USB 8TB drive that we use for daily backups of the IMAP data using rsync. Everything so far has worked without issue. I also noticed a bunch of: • fstat: can't read file 2 at 0x4000000001fffff • fstat: can't read file 4 at 0x780000ffff • fstat: can't read file 5 at 0x600000000 • fstat: can't read file 1 at 0x200007fffffffff • fstat: can't read file 2 at 0x4000000001fffff • fstat: can't read file 4 at 0x780000ffff • fstat: can't read file 5 at 0x600000000 but I have no idea what these are from. df -h output: /dev/da0p2 1.8T 226G 1.5T 13% / devfs 1.0K 1.0K 0B 100% /dev /dev/da1p1 7.0T 251G 6.2T 4% /mnt/USBBD da0p2 is a RAID level 5 on an HP Smart Array Here is the output of dmsg after reboot: http://pastebin.com/rHVjgZ82 Obviously both the RAID and USB drive did not walk away from the crash cleaning. Should I be running a fsck at this point on both from single user mode to verify and clean up. My concern is the: WARNING: /: mount pending error: blocks 0 files 26 when mounting /dev/da0p2 For some reason I was under the impression that fsck was run automatically on reboot. Any help in this matter would be greatly appreciated. I'm a little concerned that a backup strategy that has worked for us for many MANY years would so easily throw the OS into panic. If an I/O error occurred on the USB Drive I would frankly think it should just back out, without panic. Or am I missing something? Any recommendations / insights would be most welcome. Shawn
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